Why is IE11 “Total memory” so much larger than heap snapshot size?

Note: Microsoft has publicly disowned IE, but it is still relevant when testing what happens if a webpage is viewed with the Microsoft web browser on an older Windows version that wasn’t bundled with Edge. In Win32 in general (IE is part of Win32, but possibly with its own differences), total memory use includes memory … Read more

Program Download – IE CHROME – “is not commonly downloaded and could be dangerous.”

The best resources are this blog post and this blog post. To sum up: Sign you package with an authenticode signature. Don’t be malware (I’m sure you got that covered). Logo your software (if it’s not a browser plug-in). This can be a frustrating process, so hang in there. Microsoft has not disclosed how many … Read more

What heuristics do browsers use to cache resources not explicitly set to be cachable?

Let’s assume all browsers we are interested in are Internet Explorer 8 or newer (e.g. IE5 has some terrible behaviour with caching headers). There is only ONE standards based way of controlling caching (introduced with HTTP/1.1) – the Cache-Control HTTP header. Since at least 1996 IE has been using an opt-out policy for caching HTTPS … Read more

DOM Level 3 XPath in Internet Explorer

Yes, there’s still no XPath support in IE =/. For me, the most reliable way to use document.evaluate in every browser is, sadly, via a library. It’s called Wicked Good XPath and it’s a recent Google-authored rewrite of the old good JavaScript-XPath library. I’ve been using Wicked Good XPath since the release and have been … Read more

What is the status of TTF support in Internet Explorer?

So as I mentioned in my question above, Internet Explorer has some ttf support starting with version 9, but “only working when [fonts are] set to be installable”. Some background: …TrueType fonts have embedding “bits” which allow the creator of the font to decide the level of embedding that will be permitted. There are four … Read more

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